Electrical and Chemical Signals

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Electrical and Chemical Signals

• This is a product of the science department of
  Dartford Technology College

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Question 1

• What do we call a signal carried by the nerves in
  your body?

• Nervous signal
• Electrical impulse
• Data stream
• Signal flow

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Question 2

• What do we call the gap between two neurones?

• Synapse
• Junction
• Terminus
• Linkage

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Question 3

• What term is used for a loud sound, a hot object,
  something sharp or a frightening experience?

• Contract
• Synapse
• Stimulus
• Neurone

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Question 4

• After a stimulus, the electrical impulse passes
  up the?

• Relay neurone
• Motor neurone
• Sensory neurone
• Synapse

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Question 5

• What does a CNS stand for?

• Central News Section
• Central Nervous System
• Central Nerve Signal
• Central News Signal

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Question 6

• What do we call the following stimulus, sensory
  neurone, relay neurone, motor neurone, effectors?

• Reflex set
• Reflex list
• Reflex arc
• Reflex term

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Question 7

• What do we call the chemical messengers of the
  body?

• Hormones
• Vitamins
• Cholesterol
• Peptides

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Question 8

• The hormone insulin controls the level of sugar
  in the blood but where is it made?

• Thyroid
• Pancreas
• Kidney
• Stomach

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Question 9

• Give the name of the male sex hormone?

• Oestrogen
• Progesterone
• Adrenaline
• Testosterone

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Question 10

• A blood clot in the brain which causes brain
  cells to die is called a ?

• Tumour
• Cancer
• Stroke
• Burst

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Question 11

• Part of the eye that controls the amount of light
  that enters?

• Cornea
• Retina
• Lens
• Iris

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Question 12

• What do we call the inner lining of the eye that
  detects light and contains rods and cones?

• Cornea
• Lens
• Pupil
• Retina

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Question 13

• The cones in the retina are for colour vision.
  What are rods for?

• Strong light intensity
• Low light intensity
• Total darkness
• Infra-red

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Question 14

• What do we call the disease where the body is
  unable to control the level of sugar in the blood?

• Malaria
• Dwarfism
• Diabetes
• Typhoid

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Question 15

• Select the hormone responsible for maintaining
  the uterus lining after ovulation?

• Oestrogen
• Testosterone
• Adrenaline
• Progesterone

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Question 16

• What organelle of the body produces hormones?

• Duct
• Gland
• Vesicle
• Epithelia

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Question 17

• Select the word that means the lens can change
  its thickness to focus on near and far objects?

• Adjustment
• Apparent
• Accommodation
• Accolade

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Question 18

• What do we call the release of an egg from the
  ovary?

• Oviparous
• Ovulation
• Ovarian
• Overburden

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Question 19

• A useful microorganism found in the stomach.
  Others can cause disease?

• Fungi
• Nematodes
• Bacteria
• Virus

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Question 20

• Artificial insemination means to insert sperm
  into a woman from a donor to?

• Make a robot
• Fertilise an egg
• To produce more sperm
• To release more eggs

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  on Electrical and Chemical signals.
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